US 18 EB over Shellrock Rvr Redball RD
GoodFloyd County, Iowa · 1.5 Mi. E of SR S70 · Structure no. 000000000606625
- Built
- 1999
- 26 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 485 ft
- 5 main spans
- Daily traffic
- 5,350
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 18 EB over Shellrock Rvr Redball RD is a prestressed concrete stringer/multi-beam or girder carrying US 18 EB over Shellrock Rvr Redball RD in Floyd County, Iowa. It was built in 1999, so it is 26 years old, younger than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 5,350 vehicles a day, roughly 25% of them trucks, projected to reach 5,350 by 2042. The structure is 485 ft (147.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 18 EB over Shellrock Rvr Redball RD built?
It was built in 1999, making it 26 years old in 2025.
What condition is US 18 EB over Shellrock Rvr Redball RD in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.
How much traffic does US 18 EB over Shellrock Rvr Redball RD carry?
About 5,350 vehicles per day (2022 count), of which roughly 25% are trucks.
How long is US 18 EB over Shellrock Rvr Redball RD?
The structure is 485 ft (147.8 m) long with a longest span of 112 ft (34.1 m) and a deck 43 ft wide.
Who owns US 18 EB over Shellrock Rvr Redball RD?
It is owned by the State Highway Agency.